<!doctype html>
<meta charset="utf8">
<title>IndexedDB: committed versionchange transaction lifecycle</title>
<link rel="help"
      href="https://w3c.github.io/IndexedDB/#upgrade-transaction-steps">
<link rel="help"
      href="https://w3c.github.io/IndexedDB/#dom-idbdatabase-createobjectstore">
<link rel="help"
      href="https://w3c.github.io/IndexedDB/#dom-idbdatabase-deleteobjectstore">
<link rel="author" href="pwnall@chromium.org" title="Victor Costan">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/support-promises.js"></script>
<script>
'use strict';

promise_test(t => {
  return createDatabase(t, database => {
    createBooksStore(t, database);
  }).then(database => {
    database.close();
  }).then(() => migrateDatabase(t, 2, (database, transaction, request) => {
    return new Promise((resolve, reject) => {
      transaction.addEventListener('complete', () => {
        resolve(new Promise((resolve, reject) => {
          assert_equals(
              request.transaction, transaction,
              "The open request's transaction should be reset after " +
              'oncomplete');
          assert_throws_dom(
              'InvalidStateError',
              () => { database.createObjectStore('books2'); },
              'createObjectStore exception should reflect that the ' +
              'transaction is no longer running');
          assert_throws_dom(
              'InvalidStateError',
              () => { database.deleteObjectStore('books'); },
              'deleteObjectStore exception should reflect that the ' +
              'transaction is no longer running');
          resolve();
        }));
      }, false);
    });
  })).then(database => { database.close(); });
}, 'in the complete event handler for a committed transaction');

promise_test(t => {
  return createDatabase(t, database => {
    createBooksStore(t, database);
  }).then(database => {
    database.close();
  }).then(() => migrateDatabase(t, 2, (database, transaction, request) => {
    return new Promise((resolve, reject) => {
      transaction.addEventListener('complete', () => {
        setTimeout(() => {
          resolve(new Promise((resolve, reject) => {
            assert_equals(
                request.transaction, null,
                "The open request's transaction should be reset after " +
                'oncomplete microtasks');
            assert_throws_dom(
                'InvalidStateError',
                () => { database.createObjectStore('books2'); },
                'createObjectStore exception should reflect that the ' +
                'transaction is no longer running');
            assert_throws_dom(
                'InvalidStateError',
                () => { database.deleteObjectStore('books'); },
                'deleteObjectStore exception should reflect that the ' +
                'transaction is no longer running');
            resolve();
          }));
        }, 0);
      }, false);
    });
  })).then(database => { database.close(); });
}, 'in a setTimeout(0) callback after the complete event is fired for a ' +
   'committed transaction');

</script>
